From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756751AbZBWT1S (ORCPT ); Mon, 23 Feb 2009 14:27:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754009AbZBWT1G (ORCPT ); Mon, 23 Feb 2009 14:27:06 -0500 Received: from gw.goop.org ([64.81.55.164]:37759 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753042AbZBWT1F (ORCPT ); Mon, 23 Feb 2009 14:27:05 -0500 Message-ID: <49A2F885.8030407@goop.org> Date: Mon, 23 Feb 2009 11:27:01 -0800 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.19 (X11/20090105) MIME-Version: 1.0 To: Nick Piggin CC: Andrew Morton , Linux Kernel Mailing List , Linux Memory Management List , the arch/x86 maintainers , Arjan van de Ven Subject: Re: [PATCH RFC] vm_unmap_aliases: allow callers to inhibit TLB flush References: <49416494.6040009@goop.org> <200902231514.01965.nickpiggin@yahoo.com.au> <49A25086.30606@goop.org> <200902232013.43054.nickpiggin@yahoo.com.au> In-Reply-To: <200902232013.43054.nickpiggin@yahoo.com.au> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Nick Piggin wrote: > Here's a start for you. I think it gets rid of all the dead code and > data without introducing any actual conditional compilation... > OK, I can get started with this, but it will need to be a runtime switch; a Xen kernel running native is just a normal kernel, and I don't think we want to disable lazy flushes in that case. J